155113315240045 has 32 divisors (see below), whose sum is σ = 187143468422400. Its totient is φ = 123420911437824.

The previous prime is 155113315240021. The next prime is 155113315240133. The reversal of 155113315240045 is 540042513311551.

It is a cyclic number.

It is not a de Polignac number, because 155113315240045 - 2³¹ = 155111167756397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4784035704 + ... + 4784068126.

It is an arithmetic number, because the mean of its divisors is an integer number (5848233388200).

Almost surely, 2^{155113315240045} is an apocalyptic number.

It is an amenable number.

155113315240045 is a deficient number, since it is larger than the sum of its proper divisors (32030153182355).

155113315240045 is a wasteful number, since it uses less digits than its factorization.

155113315240045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39669.

The product of its (nonzero) digits is 180000, while the sum is 40.

Adding to 155113315240045 its reverse (540042513311551), we get a palindrome (695155828551596).

The spelling of 155113315240045 in words is "one hundred fifty-five trillion, one hundred thirteen billion, three hundred fifteen million, two hundred forty thousand, forty-five".